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Uninstalling Exchange 2003 from a 2010 environment.
We upgraded our exchange environment to 2010 from 2003 a few months ago. We have had the old 2003 servers shutdown for a few weeks. We are now trying to uninstall 2003 from them. We got the front end done with no problems but we are having an issue with the backend. When I go to remove I get an error that there are still mailboxes on it and they need to be moved or deleted. There are some that I can delete but there are other Distribution groups that I need to move. I have figured out how to do a search in AD users & Computers so I can see only what is on the old server but I can't find anywhere to move them to the new server. It is not like moving a user mailbox with a local move request.
Thanks in advance.
Thanks in advance.
ldifde -d "DC=ROOT,DC=COM" -f c:\output.txt -r "(&(objectCategory=person) (objectCla ss=user)(m sExchHomeS erverName= /o=ORGANIZATION NAME/ou=ADMINISTRATIVE GROUP NAME/cn=Configuration/cn=Serve rs/cn=SERVER-NAME-TO-REMOVE))"
change everything in BOLD to the correct values, then open the text file and find these users in ADUC right click exchange tasks and "remove all attributes" this should fix your issue
change everything in BOLD to the correct values, then open the text file and find these users in ADUC right click exchange tasks and "remove all attributes" this should fix your issue
ASKER
That is true for user mailboxes but not distribution groups.
Distribution groups are not homed on servers because they don't have mailboxes.
Please run Get-DynamicDistributionGro up | WHERE { $_.RecipientFilterType -eq 'Legacy' } from your exchange 2007 management console
ASKER
Nothing showed up when I ran that.
did you try running what I suggested in 35190300
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ASKER
That seems to only be users. The issue is with distribution groups and external contacts.
As I said, distribution groups and contacts do not have a mailbox and are therefore not homed on a mailbox server.
I know this is users but does it give back any result ?
if so go to ADUC and remove all settings and try again
if so go to ADUC and remove all settings and try again
ASKER
I think the issue is with some old user accounts that needed to be deleted. I have to look into an issue with a routing group and then I will try the uninstall again, and post if it works or not.
ASKER
you're right it wasn't distro groups it was old user mailboxes...
Thanks
Thanks
Under Mailboxes they will appear as Legacy mailboxes.